Question & answer
Audience submits and up/down votes each other's responses
People in the audience submit responses and up/downvote each others responses. The more important issues float to the top allowing the presenter to tackle the most important issues.
More types of activities
Visualize words from audience comments, questions, and thoughts as a word cloud.
Ask a series of questions and declare a winner at the end for the person who scores the most points.
Click anywhere on any image to drop a pin.